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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Enhancement of Borna disease virus transcription in persistently infected cells by serum starvation.

Transcription of Borna disease virus (BDV) in persistently infected MDCK (MDCK/BDV) cells increased in the fetal bovine serum free media as detected by Northern blot analysis. Especially, the amount of 1.9-kb RNA without cap formation at the 5' end and polyadenylation at the 3' end, increased as compared to other mRNA molecules of BDV. Growth arrest of MDCK/BDV cells observed in the condition of serum starvation might be important for increasing viral transcription. Since N-cadherin is the responsible factor for cell-to-cell contact, MDCK/BDV cells were cultured in calcium free medium which inhibits the interaction of N-cadherin. However, inhibition of cell-to-cell contact by N-cadherin is not effective on up regulation of viral transcription. Our finding in this study indicates that enhancement of BDV transcription by serum starvation is a useful technique for further investigation in understanding of mechanisms of BDV transcription.[1]


  1. Enhancement of Borna disease virus transcription in persistently infected cells by serum starvation. Mizutani, T., Inagaki, H., Hayasaka, D., Kariwa, H., Takashima, I. J. Vet. Med. Sci. (1999) [Pubmed]
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